Frost, Jack <br/><br/>
The Wireless manual 

 - 2nd 
 - London  Sir Isaac Pitman  1930 
 - 164 
<br/><br/> With illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric enginnering<br/>Radio
<br/><br/><label>Dewey Class. No.: </label>621.38  / F929w